TIFF File Wrapper for Encrypted Content Identification
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Solution Overview
Problem
Encrypted files are often mistaken for corrupted files due to their unintelligible content, leading to accidental deletion and user confusion, which can deter the adoption of encryption and data security measures.
Innovation Solution
Incorporating a universal file wrapper with unencrypted content that indicates the presence of encrypted content and provides metadata, allowing information handling systems to identify and process encrypted files correctly, preventing mistaken access and deletion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the entire file is encrypted to secure data, then security is improved, but the file becomes indistinguishable from corrupted files and may be accidentally deleted
Solution Approach 1:
The file is divided into two distinct parts: an encrypted portion containing the actual data and an unencrypted wrapper portion containing metadata and identification information. This segmentation allows the file to maintain security while providing readable indicators that prevent mistaken deletion.
Solution Approach 2:
An unencrypted wrapper acts as an intermediary between the encrypted content and the user/file system. This wrapper contains readable metadata that mediates the interaction between users and the encrypted data, providing identification and classification information without exposing the sensitive content.
2Quantity of substance
If encrypted content is stored without additional information, then file size is reduced, but applications cannot identify or process the encrypted content correctly
Solution Approach 1:
The unencrypted wrapper serves multiple functions simultaneously: it provides file identification, stores metadata about the encrypted content, indicates the type of data encrypted, and guides applications on how to access the content. This multi-functionality is achieved within a compact structure that minimizes additional file size.
3Ease of operation
If users can read encrypted files without proper software, then ease of access is improved, but data security is compromised
Solution Approach 1:
Different portions of the file have different accessibility properties. The unencrypted wrapper portion is readable by any application, providing ease of access for identification purposes. The encrypted content portion remains secure and can only be accessed with appropriate decryption software, maintaining data security while allowing partial accessibility.
Data Source
AI summary
Encrypted content may be stored in a file wrapper with unencrypted content that provides information regarding the encrypted content. The file wrapper may be stored around the encrypted content or may be stored in front or behind the encrypted content. The unencrypted content may indicate, for example, that additional content in the file is encrypted. A TIFF-formatted file may be used to store the two portions of content. A TIFF file structure may have content stored in a plurality of images. The unencrypted content may be stored in a first image of a TIFF file. The encrypted content may be stored in a second image, third image, and/or additional images of the TIFF file.